ФИЗИКО-ХИМИЧЕСКИЕ ОСНОВЫ НАНОТЕХНОЛОГИИ
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Transcript of ФИЗИКО-ХИМИЧЕСКИЕ ОСНОВЫ НАНОТЕХНОЛОГИИ
ФИЗИКО-ФИЗИКО-ХИМИЧЕСКИЕ ХИМИЧЕСКИЕ
ОСНОВЫ ОСНОВЫ НАНОТЕХНОЛОГИИНАНОТЕХНОЛОГИИ
Профессор Н.Г. Профессор Н.Г. РамбидиРамбиди
Блок-сополимерыБлок-сополимеры
Why Block Copolymers??
Lateral Phase<Separation of PMMA-blockPOMA on Mica.
Phase Diagram of Pluronics P84 (E19P44E19).
AB Diblockcopolymers
Triblockcopolymers
ABC=(A)x(B)y(C)z
ABA=(A)x(B)Y(A)z
ABC=(A)x(B)y(C)z
amphi = of both kinds philic = having affinity for
- at least two chemically different parts in one polymer based on different monomers
show phase-separation in the solid-state, in selective solvents, on surfaces.
Blockcopolymer:
Makromolecule, that is composed of at least two different monomers in a block-like structure. (AB, ABA, ABC...)
Amphiphilic Structures
low molecular weight amphiphile polymeric amphiphiles
bola-Amphiphile
lipids
surfactantpolymer-surfactant
n
m
lipo-polymer
- structural diversity- HLB (hydrophilic-lipophilic balance